Question

If fe2+ is called ferrous, what is pb2+ called and why

Answer 1

Fe2+ is called theferrous ion, and Fe3+ is called theferric ion; Cu+ is the cuprous ion, and Cu2+ is the cupric ion. Notice that the ion with the lesser charge ends with –ous and the one with greater charges ends with –ic. ... Thus, Fe2+ is an iron(II) ion and Pb4+ is a lead(IV) ion.